woah.org 的前十大競爭對手

msdvetmanual.com

the msd veterinary manual has been a trusted source of animal health information for students and practicing veterinarians. it contains authoritative guidelines for the diagnosis, treatment, and prevention of animal disorders and diseases.

produccion-animal.com.ar

sitio de ingreso gratuito dedicado a la produccion animal. trabajos completos en español para informar y actualizar a veterinarios, agrónomos, ganaderos.

nadis.org.uk

NADIS is a unique online based animal health resource for farmers, vets and SQPs. The information is written by veterinary experts, peer-reviewed and presented in a practical format with a high visual clinical content to improve disease awareness and highlight disease prevention.

portalveterinaria.com

portalveterinaria. el diario digital de los veterinarios

liveanimal.ru

сайт о животных: ветеринария, кормление, содержание, лечение, болезней, собак, кошек, коров, крс, свиней, овец, мрс, лошадей, птиц, рыб, пчел. найти, купить, стоимость препаратов, узи сканер, ультразвуковое оборудование для коров, свиней, коз, овец. скачать бесплатно без регистрации книги по ветеринарии, кормлению, содержанию, журналы

poultrydvm.com

Newcastle disease (ND) is a highly contagious viral disease that affects both domestic and wild birds worldwide. ND is caused by the Newcastle disease virus (NDV), also referred to as avian paramyxovirus (APMV). NDV belongs to the genus Avulavirus within the family Paramyxoviridae. There are several different strains of the NDV. NDV strains were originally classified into three virulence groups by chicken embryo inoculation as virulent (velogenic), moderately virulent (mesogenic), or as low virulence (lentogenic). For regulatory purposes, this classification system was modified so that velogenic and mesogenic viruses are now classified as virulent NDV, the cause of ND, and lentogenic viruses are the low virulence NDV that is used in the manufacturing of the vaccines. The most severe strain of the virus is called viscerotropic velogenic Newcastle disease (VVND), which is often referred to as 'Exotic Newcastle Disease'. Symptoms of Newcastle Disease in Chickens Clinical signs vary depending on the system affected. Some virus strains attack the nervous system, others the respiratory,

onehealthcommission.org

one health commission

shelteranimalscount.org

What information do we collect?We collect information from you when you register on our site, subscribe to our newsletter or fill out a form. When ordering or registering on our site, as appropriate, you may be asked to enter your: name, e-mail address, mailing address or phone number. You may, however, visit our site anonymously. […]